Portable tool for installing chains on vehicle wheels



FIG. 1 is a top plan view of a portable tool for installing chains on vehicle wheels showing my design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a front view thereof; and,

FIG. 4 is a bottom plan view thereof. 

I claim the ornamental design for a portable tool for installing chains on vehicle wheels, as shown. 